--- _id: '50829' article_number: L012017 author: - first_name: Nils full_name: Heinisch, Nils id: '90283' last_name: Heinisch - first_name: Nikolas full_name: Köcher, Nikolas id: '79191' last_name: Köcher - first_name: David full_name: Bauch, David id: '44172' last_name: Bauch - first_name: Stefan full_name: Schumacher, Stefan id: '27271' last_name: Schumacher orcid: 0000-0003-4042-4951 citation: ama: 'Heinisch N, Köcher N, Bauch D, Schumacher S. Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs. Physical Review Research. 2024;6(1). doi:10.1103/PhysRevResearch.6.L012017' apa: 'Heinisch, N., Köcher, N., Bauch, D., & Schumacher, S. (2024). Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs. Physical Review Research, 6(1), Article L012017. https://doi.org/10.1103/PhysRevResearch.6.L012017' bibtex: '@article{Heinisch_Köcher_Bauch_Schumacher_2024, title={Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs}, volume={6}, DOI={10.1103/PhysRevResearch.6.L012017}, number={1L012017}, journal={Physical Review Research}, publisher={American Physical Society (APS)}, author={Heinisch, Nils and Köcher, Nikolas and Bauch, David and Schumacher, Stefan}, year={2024} }' chicago: 'Heinisch, Nils, Nikolas Köcher, David Bauch, and Stefan Schumacher. “Swing-up Dynamics in Quantum Emitter Cavity Systems: Near Ideal Single Photons and Entangled Photon Pairs.” Physical Review Research 6, no. 1 (2024). https://doi.org/10.1103/PhysRevResearch.6.L012017.' ieee: 'N. Heinisch, N. Köcher, D. Bauch, and S. Schumacher, “Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs,” Physical Review Research, vol. 6, no. 1, Art. no. L012017, 2024, doi: 10.1103/PhysRevResearch.6.L012017.' mla: 'Heinisch, Nils, et al. “Swing-up Dynamics in Quantum Emitter Cavity Systems: Near Ideal Single Photons and Entangled Photon Pairs.” Physical Review Research, vol. 6, no. 1, L012017, American Physical Society (APS), 2024, doi:10.1103/PhysRevResearch.6.L012017.' short: N. Heinisch, N. Köcher, D. Bauch, S. Schumacher, Physical Review Research 6 (2024). date_created: 2024-01-24T15:17:37Z date_updated: 2024-01-24T16:07:57Z department: - _id: '230' - _id: '623' - _id: '15' - _id: '170' - _id: '297' doi: 10.1103/PhysRevResearch.6.L012017 intvolume: ' 6' issue: '1' language: - iso: eng project: - _id: '173' grant_number: '231447078' name: 'TRR 142 - C09: TRR 142 - Ideale Erzeugung von Photonenpaaren für Verschränkungsaustausch bei Telekom Wellenlängen (C09*)' - _id: '52' name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing' publication: Physical Review Research publication_identifier: issn: - 2643-1564 publication_status: published publisher: American Physical Society (APS) status: public title: 'Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs' type: journal_article user_id: '90283' volume: 6 year: '2024' ... --- _id: '61251' abstract: - lang: eng text: We theoretically investigate strategies for the deterministic creation of trains of time-bin entangled photons using an individual quantum emitter described by a Λ-type electronic system. We explicitly demonstrate the theoretical generation of linear cluster states with substantial numbers of entangled photonic qubits in full microscopic numerical simulations. The underlying scheme is based on the manipulation of ground state coherences through precise optical driving. One important finding is that the most easily accessible quality metrics, the achievable rotation fidelities, fall short in assessing the actual quantum correlations of the emitted photons in the face of losses. To address this, we explicitly calculate stabilizer generator expectation values as a superior gauge for the quantum properties of the generated many-photon state. With widespread applicability in other emitter and excitation–emission schemes also, our work lays the conceptual foundations for an in-depth practical analysis of time-bin entanglement based on full numerical simulations with predictive capabilities for realistic systems and setups, including losses and imperfections. The specific results shown in the present work illustrate that with controlled minimization of losses and realistic system parameters for quantum-dot type systems, useful linear cluster states of significant lengths can be generated in the calculations, discussing the possibility of scalability for quantum information processing endeavors. article_number: '036110' author: - first_name: David full_name: Bauch, David last_name: Bauch - first_name: Nikolas full_name: Köcher, Nikolas id: '79191' last_name: Köcher - first_name: Nils full_name: Heinisch, Nils id: '90283' last_name: Heinisch orcid: 0009-0006-0984-2097 - first_name: Stefan full_name: Schumacher, Stefan id: '27271' last_name: Schumacher orcid: 0000-0003-4042-4951 citation: ama: Bauch D, Köcher N, Heinisch N, Schumacher S. Time-bin entanglement in the deterministic generation of linear photonic cluster states. APL Quantum. 2024;1(3). doi:10.1063/5.0214197 apa: Bauch, D., Köcher, N., Heinisch, N., & Schumacher, S. (2024). Time-bin entanglement in the deterministic generation of linear photonic cluster states. APL Quantum, 1(3), Article 036110. https://doi.org/10.1063/5.0214197 bibtex: '@article{Bauch_Köcher_Heinisch_Schumacher_2024, title={Time-bin entanglement in the deterministic generation of linear photonic cluster states}, volume={1}, DOI={10.1063/5.0214197}, number={3036110}, journal={APL Quantum}, publisher={AIP Publishing}, author={Bauch, David and Köcher, Nikolas and Heinisch, Nils and Schumacher, Stefan}, year={2024} }' chicago: Bauch, David, Nikolas Köcher, Nils Heinisch, and Stefan Schumacher. “Time-Bin Entanglement in the Deterministic Generation of Linear Photonic Cluster States.” APL Quantum 1, no. 3 (2024). https://doi.org/10.1063/5.0214197. ieee: 'D. Bauch, N. Köcher, N. Heinisch, and S. Schumacher, “Time-bin entanglement in the deterministic generation of linear photonic cluster states,” APL Quantum, vol. 1, no. 3, Art. no. 036110, 2024, doi: 10.1063/5.0214197.' mla: Bauch, David, et al. “Time-Bin Entanglement in the Deterministic Generation of Linear Photonic Cluster States.” APL Quantum, vol. 1, no. 3, 036110, AIP Publishing, 2024, doi:10.1063/5.0214197. short: D. Bauch, N. Köcher, N. Heinisch, S. Schumacher, APL Quantum 1 (2024). date_created: 2025-09-12T11:08:59Z date_updated: 2025-09-12T11:11:32Z department: - _id: '15' - _id: '170' - _id: '297' - _id: '35' - _id: '230' - _id: '27' - _id: '429' - _id: '623' doi: 10.1063/5.0214197 intvolume: ' 1' issue: '3' language: - iso: eng project: - _id: '53' name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen' - _id: '56' name: TRR 142 - Project Area C - _id: '173' name: 'TRR 142; TP C09: Ideale Erzeugung von Photonenpaaren für Verschränkungsaustausch bei Telekom Wellenlängen' - _id: '52' name: Computing Resources Provided by the Paderborn Center for Parallel Computing - _id: '266' name: 'PhoQC: Photonisches Quantencomputing' publication: APL Quantum publication_identifier: issn: - 2835-0103 publication_status: published publisher: AIP Publishing status: public title: Time-bin entanglement in the deterministic generation of linear photonic cluster states type: journal_article user_id: '16199' volume: 1 year: '2024' ... --- _id: '61253' abstract: - lang: eng text: "In the SUPER scheme (Swing-UP of the quantum EmitteR population), excitation of a quantum emitter is achieved with two off-resonant, red-detuned laser pulses. This allows the generation of high-quality single photons without the need of complex laser stray light suppression or careful spectral filtering. In the present work, we extend this promising method to quantum emitters, specifically semiconductor quantum dots, inside a resonant optical cavity. A significant advantage of the SUPER scheme is identified in that it eliminates re-excitation of the quantum emitter by suppressing photon emission during the excitation cycle. This, in turn, leads to almost ideal single-photon purity, overcoming a major factor typically limiting the quality of photons generated with quantum emitters in high-quality cavities. We further find that for cavity-mediated biexciton emission of degenerate photon pairs, the SUPER scheme leads to near-perfect biexciton initialization with very high values of polarization entanglement of emitted photon pairs.\r\n \ \r\n \r\n \r\n \ \r\n Published by the American Physical Society\r\n 2024\r\n \ \r\n \r\n \ " article_number: L012017 author: - first_name: Nils full_name: Heinisch, Nils id: '90283' last_name: Heinisch orcid: 0009-0006-0984-2097 - first_name: Nikolas full_name: Köcher, Nikolas id: '79191' last_name: Köcher - first_name: David full_name: Bauch, David last_name: Bauch - first_name: Stefan full_name: Schumacher, Stefan id: '27271' last_name: Schumacher orcid: 0000-0003-4042-4951 citation: ama: 'Heinisch N, Köcher N, Bauch D, Schumacher S. Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs. Physical Review Research. 2024;6(1). doi:10.1103/physrevresearch.6.l012017' apa: 'Heinisch, N., Köcher, N., Bauch, D., & Schumacher, S. (2024). Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs. Physical Review Research, 6(1), Article L012017. https://doi.org/10.1103/physrevresearch.6.l012017' bibtex: '@article{Heinisch_Köcher_Bauch_Schumacher_2024, title={Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs}, volume={6}, DOI={10.1103/physrevresearch.6.l012017}, number={1L012017}, journal={Physical Review Research}, publisher={American Physical Society (APS)}, author={Heinisch, Nils and Köcher, Nikolas and Bauch, David and Schumacher, Stefan}, year={2024} }' chicago: 'Heinisch, Nils, Nikolas Köcher, David Bauch, and Stefan Schumacher. “Swing-up Dynamics in Quantum Emitter Cavity Systems: Near Ideal Single Photons and Entangled Photon Pairs.” Physical Review Research 6, no. 1 (2024). https://doi.org/10.1103/physrevresearch.6.l012017.' ieee: 'N. Heinisch, N. Köcher, D. Bauch, and S. Schumacher, “Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs,” Physical Review Research, vol. 6, no. 1, Art. no. L012017, 2024, doi: 10.1103/physrevresearch.6.l012017.' mla: 'Heinisch, Nils, et al. “Swing-up Dynamics in Quantum Emitter Cavity Systems: Near Ideal Single Photons and Entangled Photon Pairs.” Physical Review Research, vol. 6, no. 1, L012017, American Physical Society (APS), 2024, doi:10.1103/physrevresearch.6.l012017.' short: N. Heinisch, N. Köcher, D. Bauch, S. Schumacher, Physical Review Research 6 (2024). date_created: 2025-09-12T11:16:31Z date_updated: 2025-09-12T11:18:05Z department: - _id: '15' - _id: '170' - _id: '297' - _id: '35' - _id: '230' - _id: '429' - _id: '27' doi: 10.1103/physrevresearch.6.l012017 intvolume: ' 6' issue: '1' language: - iso: eng project: - _id: '52' name: Computing Resources Provided by the Paderborn Center for Parallel Computing - _id: '53' name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen' - _id: '56' name: TRR 142 - Project Area C - _id: '173' name: 'TRR 142; TP C09: Ideale Erzeugung von Photonenpaaren für Verschränkungsaustausch bei Telekom Wellenlängen' publication: Physical Review Research publication_identifier: issn: - 2643-1564 publication_status: published publisher: American Physical Society (APS) status: public title: 'Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs' type: journal_article user_id: '16199' volume: 6 year: '2024' ... --- _id: '62868' abstract: - lang: eng text: We theoretically investigate strategies for the deterministic creation of trains of time-bin entangled photons using an individual quantum emitter described by a Λ-type electronic system. We explicitly demonstrate the theoretical generation of linear cluster states with substantial numbers of entangled photonic qubits in full microscopic numerical simulations. The underlying scheme is based on the manipulation of ground state coherences through precise optical driving. One important finding is that the most easily accessible quality metrics, the achievable rotation fidelities, fall short in assessing the actual quantum correlations of the emitted photons in the face of losses. To address this, we explicitly calculate stabilizer generator expectation values as a superior gauge for the quantum properties of the generated many-photon state. With widespread applicability in other emitter and excitation–emission schemes also, our work lays the conceptual foundations for an in-depth practical analysis of time-bin entanglement based on full numerical simulations with predictive capabilities for realistic systems and setups, including losses and imperfections. The specific results shown in the present work illustrate that with controlled minimization of losses and realistic system parameters for quantum-dot type systems, useful linear cluster states of significant lengths can be generated in the calculations, discussing the possibility of scalability for quantum information processing endeavors. article_number: '036110' author: - first_name: David full_name: Bauch, David last_name: Bauch - first_name: Nikolas full_name: Köcher, Nikolas id: '79191' last_name: Köcher - first_name: Nils full_name: Heinisch, Nils id: '90283' last_name: Heinisch orcid: 0009-0006-0984-2097 - first_name: Stefan full_name: Schumacher, Stefan id: '27271' last_name: Schumacher orcid: 0000-0003-4042-4951 citation: ama: Bauch D, Köcher N, Heinisch N, Schumacher S. Time-bin entanglement in the deterministic generation of linear photonic cluster states. APL Quantum. 2024;1(3). doi:10.1063/5.0214197 apa: Bauch, D., Köcher, N., Heinisch, N., & Schumacher, S. (2024). Time-bin entanglement in the deterministic generation of linear photonic cluster states. APL Quantum, 1(3), Article 036110. https://doi.org/10.1063/5.0214197 bibtex: '@article{Bauch_Köcher_Heinisch_Schumacher_2024, title={Time-bin entanglement in the deterministic generation of linear photonic cluster states}, volume={1}, DOI={10.1063/5.0214197}, number={3036110}, journal={APL Quantum}, publisher={AIP Publishing}, author={Bauch, David and Köcher, Nikolas and Heinisch, Nils and Schumacher, Stefan}, year={2024} }' chicago: Bauch, David, Nikolas Köcher, Nils Heinisch, and Stefan Schumacher. “Time-Bin Entanglement in the Deterministic Generation of Linear Photonic Cluster States.” APL Quantum 1, no. 3 (2024). https://doi.org/10.1063/5.0214197. ieee: 'D. Bauch, N. Köcher, N. Heinisch, and S. Schumacher, “Time-bin entanglement in the deterministic generation of linear photonic cluster states,” APL Quantum, vol. 1, no. 3, Art. no. 036110, 2024, doi: 10.1063/5.0214197.' mla: Bauch, David, et al. “Time-Bin Entanglement in the Deterministic Generation of Linear Photonic Cluster States.” APL Quantum, vol. 1, no. 3, 036110, AIP Publishing, 2024, doi:10.1063/5.0214197. short: D. Bauch, N. Köcher, N. Heinisch, S. Schumacher, APL Quantum 1 (2024). date_created: 2025-12-04T12:35:53Z date_updated: 2025-12-05T13:55:00Z department: - _id: '15' - _id: '170' - _id: '297' - _id: '705' - _id: '35' - _id: '27' - _id: '429' - _id: '230' - _id: '623' doi: 10.1063/5.0214197 intvolume: ' 1' issue: '3' language: - iso: eng project: - _id: '52' name: Computing Resources Provided by the Paderborn Center for Parallel Computing - _id: '173' name: 'TRR 142; TP C09: Ideale Erzeugung von Photonenpaaren für Verschränkungsaustausch bei Telekom Wellenlängen' - _id: '266' name: 'PhoQC: Photonisches Quantencomputing' - _id: '53' name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen' - _id: '56' name: TRR 142 - Project Area C publication: APL Quantum publication_identifier: issn: - 2835-0103 publication_status: published publisher: AIP Publishing status: public title: Time-bin entanglement in the deterministic generation of linear photonic cluster states type: journal_article user_id: '16199' volume: 1 year: '2024' ...